Ductility

Japanese: 延性度 - えんせいど
Ductility

… The term “physical properties” includes not only physical quantities such as density and porosity, but also various mechanical quantities such as strength. As a measure of the ease with which rocks deform, it is convenient to use the concept of ductility, which combines these. This is defined as the strain (%) required to break a rock in a compression test. …

*Some of the terminology that refers to "ductility" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

… 物性とひとくちにいっても,密度や間隙率のような物理量だけでなく,強度など各種の力学量も含まれる。岩石の変形しやすさの目安としては,これらを複合したダクティリティductility(延性度)という概念を使うと便利である。これは岩石の圧縮試験において,破壊するまでに要したひずみ(%)と定義される。…

※「延性度」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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